Everybody panic: Now David Cameron has warned that Brexit could harm our cheese, cider and sausage industries

I'm City A.M.'s deputy night editor and books editor of the City Pages section. Previously I reported on industrials, covering mining energy, utilities and military, and prior to that I reported on vice "sin"-dustries (think alcohol, tobacco and gambling) and the leisure sector.

Leaving the EU might well cause a run on the pound, or make house prices to come crashing down, but until now we hadn't given a second thought to how it would affect our cheese.

David Cameron has made arguably one of his most convincing points yet. Writing in local paper the Gloucester Citizen, he warned that many of the UK's best-loved food and drink products, including cheese, cider and sausages, could be under threat from Brexit.

"If we leave the EU and our farmers have to operate under World Trade Organisation rules, things would be very different," he warned. "They could be faced with annual tariffs of up to 40 per cent and huge additional costs - for example, £240m for beef and £90m for lamb.